:root {
    --primary-color: #ff7e5f;
    --secondary-color: #fca3cc;
    --accent-color: #a18cd1;
    --text-primary: #3d2c29;
    --text-secondary: #7b5e57;
    --bg-light: #fff3e6;
    --bg-white: #fff6f0;
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 30px;
    background: linear-gradient(-45deg, #ffecd2, #fcb69f, #ff7e5f, #a18cd1);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
    border-radius: var(--radius-lg);
}

.logo-container {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    background: linear-gradient(90deg, #ffecd2 0%, #fcb69f 50%, #a18cd1 100%);
    border-radius: 12px;
    padding: 32px 0 24px 0;
    box-shadow: 0 2px 12px rgba(255, 126, 95, 0.08);
}

.logo-container h1 {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.logo-container h1::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.about-section {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 35px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(255, 126, 95, 0.08);
    position: relative;
    overflow: hidden;
}

.about-section:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.about-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
    border-radius: 3px 0 0 3px;
}

.about-section h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    position: relative;
}

.about-section h2::before {
    font-size: 28px;
    margin-right: 12px;
}

.about-section:nth-child(1) h2::before {
    content: "ℹ️";
}

.about-section:nth-child(2) h2::before {
    content: "🚀";
}

.about-section:nth-child(3) h2::before {
    content: "💻";
}

.about-section p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* 功能卡片网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.feature-card {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 25px;
    transition: var(--transition);
    border: 1px solid rgba(255, 126, 95, 0.08);
    position: relative;
    overflow: hidden;
}

.feature-card::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.feature-card:hover::after {
    opacity: 1;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.feature-card h3::before {
    margin-right: 10px;
    font-size: 22px;
}

.feature-card:nth-child(1) h3::before {
    content: "👋";
}

.feature-card:nth-child(2) h3::before {
    content: "🔊";
}

.feature-card:nth-child(3) h3::before {
    content: "📚";
}

.feature-card:nth-child(4) h3::before {
    content: "👤";
}

.feature-card p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* 技术栈区域 */
.tech-stack {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.tech-item {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 25px;
    transition: var(--transition);
    border: 1px solid rgba(255, 126, 95, 0.08);
}

.tech-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    background: rgba(67, 97, 238, 0.03);
}

.tech-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
    text-align: center;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.tech-item ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tech-item li {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-secondary);
    padding: 8px 0;
    position: relative;
    padding-left: 24px;
    border-bottom: 1px dashed rgba(0, 0, 0, 0.06);
}

.tech-item li:last-child {
    border-bottom: none;
}

.tech-item li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .about-container {
        padding: 30px 20px;
    }
    
    .logo-container h1 {
        font-size: 28px;
    }
    
    .about-section {
        padding: 25px;
    }
    
    .features-grid,
    .tech-stack {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 576px) {
    .about-container {
        padding: 20px 16px;
    }
    
    .logo-container h1 {
        font-size: 24px;
    }
    
    .about-section {
        padding: 20px;
    }
    
    .feature-card,
    .tech-item {
        padding: 20px;
    }
} 